Josh 'Pretty Boy' Kelly will test his slick skills against former world champion Carlos Molina on the Anthony Joshua-Joseph Parker bill.

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The talented 24-year-old takes a major step-up in class against the seasoned Mexican as he targets the WBA international welterweight title on the undercard for Joshua's unification clash with Joseph Parker on March 31, live on Sky Sports Box Office.

Molina had a brief reign as IBF super-welterweight champion after defeating Ishe Smith on points in 2013 and also holds a win over two-weight world champion Cory Spinks, and former world title challenger Kermit Cintron.

"Adam Booth said it's time for me to step up, so let's go," said Kelly. "I feel this is a real test against a proven fighter.

"He's a former world champion, so you can't deny this is my biggest fight to date. I can't wait to step between those ropes in Cardiff and propel myself into the mix.

"He's never been stopped, so it says a lot. Just look at the names on his record that he's been in with, I know how tough he will be. I want to perform on the big stage. I'm very excited to say the least.

"I feel physically, mentally and emotionally ready to take this step up and have been for a fight or two. I've learnt a lot in the fights and in training over the past year and also got to know myself even more.

"The learning process never stops, there's improvements to be made with each fight, and every step up, starting March 31."

In the main event, Joshua will put his WBA 'super' and IBF belts at stake against WBO title-holder Parker in a battle of two unbeaten champions at the Principality Stadium in Cardiff.

Alexander Povetkin, a potential future opponent for Joshua, will also appear on the same bill as he battles Britain's David Price.